re·​hy·​drate | \ (ˌ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio) \
rehydrated; rehydrating; rehydrates

Definition of rehydrate

transitive verb

: to restore fluid to (something dehydrated)

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Other Words from rehydrate

rehydratable \ (ˌ)rē-​ˈhī-​ˌdrā-​tə-​bəl How to pronounce rehydratable (audio) \ adjective
rehydration \ ˌrē-​ˌhī-​ˈdrā-​shən How to pronounce rehydration (audio) \ noun

Examples of rehydrate in a Sentence

Recent Examples on the Web

It was created with Clinique's fancy, auto-replenishing technology that helps skin create an internal water source to continuously rehydrate itself throughout the day. Tanisha Pina, Allure, "The Best Beauty Deals From the Macy's Fall VIP Sale," 21 Sep. 2018 Named after the German word for cyclist, these beverages are a mixture of beer and fruit juice, designed to rehydrate a tired cyclist while still being a bit beery. Markus Haas, San Antonio Express-News, "Your guide to 8 great summer beers," 12 July 2018 At lunchtime, follow the hummus instructions to rehydrate. Popular Mechanics Editors, Popular Mechanics, "How To Eat Well When You're Camping," 26 June 2018 Apply lots of fragrance-free moisturizers to rehydrate that top layer and a hydrocortisone cream to control inflammation. Caroline Picard, Good Housekeeping, "How Long a Sunburn Lasts Before Fading Away — And How to Speed Up Healing," 29 May 2018 Additionally, the importance of hydration means athletes should have breaks during play and rehydrate when necessary. Charlie Hatch,, "Physicals are important, and mandatory, ahead of the academic school year," 8 June 2018 Remove from the heat and set aside for at least 15 minutes to allow the blueberries to infuse the whiskey and to rehydrate. Sunset, "6 Gourmet Backpacking Recipes for a Tasty Adventure," 22 Jan. 2018 Sick animals are given subcutaneous fluids to rehydrate them and antibiotics if needed, along with vitamin supplementation. Christopher Torchia,, "Over 10,000 endangered tortoises are rescued in Madagascar," 2 May 2018 Sick animals are given subcutaneous fluids to rehydrate them and antibiotics if needed, along with vitamin supplementation., "Over 10,000 Endangered Tortoises Rescued From Traffickers," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rehydrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of rehydrate

1945, in the meaning defined above

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Time Traveler for rehydrate

The first known use of rehydrate was in 1945

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More Definitions for rehydrate


transitive verb
re·​hy·​drate | \ (ˈ)rē-ˈhī-ˌdrāt How to pronounce rehydrate (audio) \
rehydrated; rehydrating

Medical Definition of rehydrate

: to restore fluid to (something dehydrated) especially : to restore body fluid lost in dehydration to rehydrate a patient

Other Words from rehydrate

rehydration \ ˌrē-​ˌhī-​ˈdrā-​shən How to pronounce rehydration (audio) \ noun

Comments on rehydrate

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something valued as if it were money

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